그림 1. BSMC를 적용한 IFA Fig. 1. IFA with BSMC.
그림 3. IFA와 BSMC을 적용한 IFA의 임피던스 차트 시뮬레이션 결과 Fig. 3. Simulated result of impedance chart of proposed IFA with BSMC and without BSMC.
그림 2. BSMC의 S(2,1) parameter 시뮬레이션 결과 Fig. 2. S(2,1) parameter of BSMC.
그림 4. IFA와 BSMC을 적용한 IFA의 반사계수 측정 결과 Fig. 4. S(1,1) measurement results of IFA and IFA withBSMC.
그림 5. Bypass capacitor를 적용한 임피던스 정합회로 Fig. 5. Impedance matching circuit with bypass capacitor.
그림 6. BSMC와 bypass capacitor를 적용한 IFA의 815 MHz에서 전류분포 Fig. 6. Current flow of IFA with BSMC and bypass capa-citor at 815 MHz.
그림 7. 815 MHz에서 BSMC을 적용한 IFA의 전류분포 Fig. 7. Current flow of IFA with BSMC at 815 MHz.
그림 8. Bypass capacitor 값에 따른 반사 계수 선도 시뮬레이션 결과 Fig. 8. Simulated S(1,1)-parameters according to bypass ca-pacitor value.
그림 9. 제작한 BSMC와 bypass capacitor를 적용한 IFA Fig. 9. Fabricated IFA with BSMC and bypaas capacitor.
그림 10. IFA, BSMC을 적용한 IFA, BSMC와 bypass capacitor를 적용한 IFA의 반사계수 측정 결과 Fig. 10. S(1,1) measurement results of IFA and IFA with BSMC.
그림 11. 확장된 주파수 대역에서 BSMC를 적용한 IFA와 BSMC와 bypass capacitor를 적용한 IFA의 안테나 효율과 이득 측정 결과 Fig. 11. Antenna Efficiency and gain measurement results of IFA with BSMC and IFA with BSMC and bypass capacitor in the expanded frequency band.
그림 12. BSMC를 적용한 IFA와 BSMC와 bypass capacitor를 적용한 IFA의 원거리장 패턴 측정 결과 Fig. 12. Measured far-field pattern of IFA with BSMC and IFA with BSMC and bypass capacitor.
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